Easily knock out your coffee grinds with the Grindenstein Compact Coffee Knock Box. Featuring a compact design, this kitchen accessory sits under your espresso machine’s drip tray beneath the group head. Incredibly sturdy and strong, Grindenstein is practically impossible to break. Likewise, its patented shock-absorbing design and steel core make it durable and effective. Thanks to its unique height, the compact coffee knock box reduces mess on your kitchen countertop. Similarly, it also fits in the top rack of your dishwasher for easy cleaning. In addition, its durable and thick rubber sleeve guards the group handle. Aside from absorbing the strike force, the sleeve makes it quieter to use as well. With Grindenstein, you can collect coffee grinds right where you want them.